Unusual Bicycles: The Convercycle

It folds out in the back to a longtail cargobike. I think it's an interesting concept for urban population that could make space for a regular bicycle, but not an actual cargo bike - I know I've been in that situation and it's an often mentioned problem in discussion about cargo bike useage.

You can see it in motion on their website, works pretty much like a brompton at a glance. Maximum system weight is 180kg, the bike weighs 38kg in electric mode, so depending on your weight that should give you at least around 40kg of hauling capacity